This free course, What are waves? explains what waves are. It describes different types of wave as well as their properties. You can listen to the song of a humpback whale and learn about the process of echolocation which is used by dolphins to
locate their food. You will also conduct your own online research into how bats use echolocation to locate their prey and also to prevent other bats from locating the same prey.
Course learning outcomes
After studying this course, you should be able to: